Travel mug



FIG. 1 illustrates a front perspective view of a travel mug showing my new design;

FIG. 2 illustrates a rear perspective view of the travel mug showing my new design;

FIG. 3 illustrates a front elevation view thereof;

FIG. 4 illustrates a rear elevation view thereof;

FIG. 5 illustrates a left side elevation view thereof;

FIG. 6 illustrates a right side elevation view thereof;

FIG. 7 illustrates a top view thereof; and,

FIG. 8 illustrates a bottom view thereof.

The broken lines in the drawings are included for the purpose of illustration and form no part of the claimed design. 

The ornamental design for a travel mug, as shown and described. 